Last updated April 29, 2026
Heckler & Koch MR556A4: Buy Now or Wait?
Verdict based on 11 tracked r/gundeals deals.
Bottom line
Buy now if the price is below $1979.
Below $1770 is a steal — these don't sit around.
$2083 is average. Above $2291, wait.
Set a free alert at $1979 →
Verdict thresholds
Steal
< $1770
Buy now
Real Deal
$1770–$1979
Worth grabbing
Average
$1979–$2291
Wait or alert
Pass
> $2291
Above market
Reality check
Historical low
$10
Tracked average
$2083
Highest tracked
$3750
Deals tracked
11
Tracked since the Heckler & Koch MR556A4 first appeared on r/gundeals. Each price point comes from a verified post — click through any deal below for the source thread.
5 cheapest tracked Heckler & Koch MR556A4 deals
| Price | Deal | Dealer | Date |
|---|---|---|---|
| $10 | [Parts] H&K MR556A4 11" Upper Receiver Kit 12% off - No … | cloneparts.co | Mar 02, 2026 |
| $349 | [PARTS] Brownells BRN-4 Full Auto BCG (HK 416/MR556) $349 | brownells.com | Jan 06, 2026 |
| $1599 | [Parts] Heckler & Koch MR556A4 Complete 16" Upper for $1599,… | rooftopdefense.com | Apr 15, 2025 |
| $1850 | [PARTS] HK MR556A4 11" Complete Upper Receiver Kit - $1849.9… | bluemountainsupplyllc.com | Apr 27, 2025 |
| $1880 | [PARTS] HK MR556A4 16.5" Upper Receiver Kit w/bolt, buffer, … | bereli.com | Nov 10, 2025 |
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Set free price alert →Frequently Asked Questions
Should I buy a Heckler & Koch MR556A4 now?
Buy if it's below $1979. Below $1770 is a steal. Above $2291, set a free alert and wait.
What's the lowest a Heckler & Koch MR556A4 has ever been?
$10 — verified across 11 tracked r/gundeals posts.
What price should I set my Heckler & Koch MR556A4 alert at?
$1979 for the best signal-to-noise. Lower ($1770) means fewer alerts but every one is a steal.
About the editor
GDA Editorial Team · Editorial team, GunDeal Alerts
We track every priced post on r/gundeals, fingerprint products, and verify dealer reputations. This page is updated as new deal data arrives.